<?php
declare (strict_types=1);

namespace app\api\controller;

use app\BaseController;
use app\tool\controller\ArrController;
use think\Request;

class IndexController extends BaseController
{
    public function index()
    {
        $a = 6;
        $arr = ['a', 'b', 'c', 'd', 'e'];
        $this->P(ArrController::arr_random(3, $arr, 0));
    }

}
